12011100311 has 8 divisors (see below), whose sum is σ = 13835059200. Its totient is φ = 10214163288.

The previous prime is 12011100307. The next prime is 12011100323. The reversal of 12011100311 is 11300111021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011100311 - 2² = 12011100307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011100292 and 12011100301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011100011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6754511 + ... + 6756288.

It is an arithmetic number, because the mean of its divisors is an integer number (1729382400).

Almost surely, 2^12011100311 is an apocalyptic number.

12011100311 is a deficient number, since it is larger than the sum of its proper divisors (1823958889).

12011100311 is a wasteful number, since it uses less digits than its factorization.

12011100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510933.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 12011100311 its reverse (11300111021), we get a palindrome (23311211332).

The spelling of 12011100311 in words is "twelve billion, eleven million, one hundred thousand, three hundred eleven".